package day04.ext;

public class Demo02 {
    public static void main(String[] args) {
        int n = 8;
        int[] a = {8};
        test(n, a);
        System.out.println(n + " " + a[0]);
    }
    public static void test(int n, int[] a){
        n++;
        a[0]++;
    }
}
